ラジオジャック LinksSentence search for ラジオジャックSentence search for ラジオ・ジャックEdit in JMdict Noun1. radio hijacking; broadcast signal intrusionWasei, word made in Japan, From English “radiojack”. Wasei (word made in Japan)Other formsラジオ・ジャック Discussions Log in to talk about this word.